|Hep B shots last year, Titer say's not immune??
Jul 22, 2002
I had the Hep B vaccinations last year. I went for a titer this year and I was informed I'm not immune? What would cause that?
| Response from Dr. Fried
Even though the HBV vaccine is very effective in providing immunity to most vaccinated patients, some (~5% or less)do not develop immunity. Check to see whether you were previously exposed to hepatitis B (HBsAg and HBcAb). If these are negative, try another series of the vaccine and re-check your anti-HBs 3-4 weeks after the last injection.
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